| Value | Category | Cases | |
|---|---|---|---|
| 0 | not applicable | 1351 |
18.8%
|
| 1 | 746 |
10.4%
|
|
| 2 | 2127 |
29.6%
|
|
| 3 | 2247 |
31.2%
|
|
| 4 | 476 |
6.6%
|
|
| 5 | 179 |
2.5%
|
|
| 6 | 50 |
0.7%
|
|
| 7 | 12 |
0.2%
|
|
| 8 | 2 |
0%
|
|
| 9 | 1 |
0%
|
|
| Sysmiss | 21 |